SQL Server 2005 Express, I have a BAK file..I am trying to use SQL Server Manager Studio...I am getting the following error that I need mdf file but I have no...

Hi there;

I am using SQL Server 2005 Express, I have a BAK file..I am trying to use SQL Server Manager Studio...I am getting the following error that I need mdf file but I have no mdf file...All I have is bak file...and import it successfully...Please examine the screenshots...